S
M
T
W
T
F
S
30
90°
69°
31
92°
69°
1
94°
69°
2
97°
70°
3
94°
71°
4
94°
71°
5
95°
72°
6
93°
69°
7
85°
68°
8
86°
68°
9
88°
69°
10
92°
68°
11
94°
67°
12
89°
68°
13
89°
68°
14
88°
67°
15
89°
67°
16
84°
63°
17
81°
66°
18
80°
67°
19
80°
67°
20
83°
66°
21
85°
66°
22
83°
65°
23
86°
65°
24
84°
64°
25
79°
65°
26
83°
65°
27
84°
60°
28
78°
56°
29
76°
55°
30
76°
54°
1
77°
57°
2
77°
61°
3
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Peachtree City
Peachtree City's September 2026 forecast shows daily high temperatures ranging from 76° to 95°, with overnight lows between 54° and 72°. The average high for September is 85° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Peachtree City. See also: October | November | December.
